Ankokugai no kaoyaku 1959 (Japan), also known as Underworld Boss, The Actress of the Underworld, Boss of the Underworld, The Big Boss, Boss of the Dark Black City, Tales of the Underworld: Big Boss is Japan drama premiere on Jan 15, 1959
Romaji: Underworld Boss, The Actress of the Underworld, Boss of the Underworld, The Big Boss, Boss of the Dark Black City, Tales of the Underworld: Big Boss
Ryuta and Mineo Komatsu are brothers, both yakuza (gangsters). Mineo, although complicit in crime, even murder, wants out of the gangster life, hoping to become a successful singer instead. Ryuta loves his brother, but Mineo's possible defection presents problems for the gang, and Ryuta realizes he must kill his brother if he wants to survive.